Merge branch 'lwmon5' of /home/wd/git/u-boot/projects

4 files changed, 119 insertions, 3 deletions

diff --git a/post/cpu/ppc4xx/Makefile b/post/cpu/ppc4xx/Makefile
index f19dc5d..1cfd3bb 100644
--- a/post/cpu/ppc4xx/Makefile
+++ b/post/cpu/ppc4xx/Makefile
@@ -29,6 +29,7 @@ COBJS-$(CONFIG_HAS_POST)	+= cache.o
 COBJS-$(CONFIG_HAS_POST)	+= denali_ecc.o
 COBJS-$(CONFIG_HAS_POST)	+= ether.o
 COBJS-$(CONFIG_HAS_POST)	+= fpu.o
+COBJS-$(CONFIG_HAS_POST)	+= ocm.o
 COBJS-$(CONFIG_HAS_POST)	+= spr.o
 COBJS-$(CONFIG_HAS_POST)	+= uart.o
 COBJS-$(CONFIG_HAS_POST)	+= watchdog.o
diff --git a/post/cpu/ppc4xx/ocm.c b/post/cpu/ppc4xx/ocm.c
new file mode 100644
index 0000000..88aa93e
--- /dev/null
+++ b/post/cpu/ppc4xx/ocm.c
@@ -0,0 +1,89 @@
+/*
+ * (C) Copyright 2008 Ilya Yanok, EmCraft Systems, yanok@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+
+/*
+ * This test attempts to verify on-chip memory (OCM). Result is written
+ * to the scratch register and if test succeed it won't be run till next
+ * power on.
+ */
+
+#include <post.h>
+
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define OCM_TEST_PATTERN1	0x55555555
+#define OCM_TEST_PATTERN2	0xAAAAAAAA
+
+#if CONFIG_POST & CFG_POST_OCM
+
+static uint ocm_status_read(void)
+{
+	return in_be32((void *)CFG_OCM_STATUS_ADDR) &
+		CFG_OCM_STATUS_MASK;
+}
+
+static void ocm_status_write(uint value)
+{
+	out_be32((void *)CFG_OCM_STATUS_ADDR, value |
+		(in_be32((void *)CFG_OCM_STATUS_ADDR) &
+			~CFG_OCM_STATUS_MASK));
+}
+
+static inline int ocm_test_word(uint value, uint *address)
+{
+	uint read_value;
+
+	*address = value;
+	sync();
+	read_value = *address;
+
+	return (read_value != value);
+}
+
+int ocm_post_test(int flags)
+{
+	uint   old_value;
+	int    ret = 0;
+	uint  *address = (uint*)CFG_OCM_BASE;
+
+	if (ocm_status_read() == CFG_OCM_STATUS_OK)
+		return 0;
+	for (; address < (uint*)(CFG_OCM_BASE + CFG_OCM_SIZE); address++) {
+		old_value = *address;
+		if (ocm_test_word(OCM_TEST_PATTERN1, address) ||
+				ocm_test_word(OCM_TEST_PATTERN2, address)) {
+			ret = 1;
+			*address = old_value;
+			printf("OCM POST failed at %p!\n", address);
+			break;
+		}
+		*address = old_value;
+	}
+	ocm_status_write(ret ? CFG_OCM_STATUS_FAIL : CFG_OCM_STATUS_OK);
+	return ret;
+}
+#endif /* CONFIG_POST & CFG_POST_OCM */
diff --git a/post/post.c b/post/post.c
index c016c3a..d31829b 100644
--- a/post/post.c
+++ b/post/post.c
@@ -238,14 +238,20 @@ static int post_run_single (struct post_test *test,
 		if (test_flags & POST_PREREL) {
 			if ((*test->test) (flags) == 0)
 				post_log_mark_succ ( test->testid );
-			else if (test_flags & POST_CRITICAL)
-				gd->flags |= GD_FLG_POSTFAIL;
+			else {
+				if (test_flags & POST_CRITICAL)
+					gd->flags |= GD_FLG_POSTFAIL;
+				if (test_flags & POST_STOP)
+					gd->flags |= GD_FLG_POSTSTOP;
+			}
 		} else {
 		if ((*test->test) (flags) != 0) {
 			post_log ("FAILED\n");
 			show_boot_progress (-32);
 			if (test_flags & POST_CRITICAL)
 				gd->flags |= GD_FLG_POSTFAIL;
+			if (test_flags & POST_STOP)
+				gd->flags |= GD_FLG_POSTSTOP;
 		}
 		else
 			post_log ("PASSED\n");
@@ -271,6 +277,9 @@ int post_run (char *name, int flags)
 	if (name == NULL) {
 		unsigned int last;
 
+		if (gd->flags & GD_FLG_POSTSTOP)
+			return 0;
+
 		if (post_bootmode_get (&last) & POST_POWERTEST) {
 			if (last & POST_FAIL_SAVE) {
 				last &= ~POST_FAIL_SAVE;
@@ -285,6 +294,8 @@ int post_run (char *name, int flags)
 						 flags | POST_REBOOT, last);
 
 				for (i = last + 1; i < post_list_size; i++) {
+					if (gd->flags & GD_FLG_POSTSTOP)
+						break;
 					post_run_single (post_list + i,
 							 test_flags[i],
 							 flags, i);
@@ -292,6 +303,8 @@ int post_run (char *name, int flags)
 			}
 		} else {
 			for (i = 0; i < post_list_size; i++) {
+				if (gd->flags & GD_FLG_POSTSTOP)
+					break;
 				post_run_single (post_list + i,
 						 test_flags[i],
 						 flags, i);
diff --git a/post/tests.c b/post/tests.c
index 36473e3..a790c78 100644
--- a/post/tests.c
+++ b/post/tests.c
@@ -29,6 +29,7 @@
 
 #include <post.h>
 
+extern int ocm_post_test (int flags);
 extern int cache_post_test (int flags);
 extern int watchdog_post_test (int flags);
 extern int i2c_post_test (int flags);
@@ -60,6 +61,18 @@ extern void sysmon_reloc (void);
 
 struct post_test post_list[] =
 {
+#if CONFIG_POST & CFG_POST_OCM
+    {
+	"OCM test",
+	"ocm",
+	"This test checks on chip memory (OCM).",
+	POST_ROM | POST_ALWAYS | POST_PREREL | POST_CRITICAL | POST_STOP,
+	&ocm_post_test,
+	NULL,
+	NULL,
+	CFG_POST_OCM
+    },
+#endif
 #if CONFIG_POST & CFG_POST_CACHE
     {
 	"Cache test",
@@ -270,7 +283,7 @@ struct post_test post_list[] =
 #if CONFIG_POST & CFG_POST_BSPEC4
 	CONFIG_POST_BSPEC4,
 #endif
-#if CONFIG_POST & CFG_POST_BSPEC4
+#if CONFIG_POST & CFG_POST_BSPEC5
 	CONFIG_POST_BSPEC5,
 #endif
 };